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Finding the Fourth Proportional to 250,881.50, 346,216.33 and 141,983.87

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Solution

The fourth proportional to 250,881.50, 346,216.33 and 141,983.87 is: 195,937.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,881.50 : 346,216.33 = 141,983.87 : x
  2. Step 2: Convert to fraction form
    250,881.50/346,216.33 = 141,983.87/x
  3. Step 3: Cross multiply
    250,881.50x = 346,216.33 × 141,983.87
  4. Step 4: Simplify right side
    250,881.50x = 49,157,132,304.56
  5. Step 5: Solve for x
    x = 49,157,132,304.56/250,881.50
  6. Step 6: Final answer
    x = 195,937.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.